| article html file updated | 30 August 2025 10:26 CEST | Update | https://www.mdpi.com/2306-5729/4/1/6 |
| article html file updated | 17 July 2022 19:34 CEST | Update | - |
| article html file updated | 11 February 2020 05:48 CET | Update | - |
| article html file updated | 12 October 2019 15:33 CEST | Update | - |
| article html file updated | 27 April 2019 13:23 CEST | Update | - |
| article html file updated | 13 April 2019 09:22 CEST | Update | - |
| article html file updated | 10 April 2019 20:21 CEST | Update | - |
| article html file updated | 2 April 2019 20:02 CEST | Update | - |
| article html file updated | 29 December 2018 08:44 CET | Original file | - |
| article pdf uploaded. | 29 December 2018 08:42 CET | Version of Record | https://www.mdpi.com/2306-5729/4/1/6/pdf |
| article xml uploaded. | 29 December 2018 08:42 CET | Update | https://www.mdpi.com/2306-5729/4/1/6/xml |
| article xml file uploaded | 29 December 2018 08:42 CET | Original file | - |
